Normative best-corrected values of the visual image quality metric VSX as a function of age and pupil size

GD Hastings, JD Marsack, LN Thibos, RA Applegate - JOSA A, 2018 - opg.optica.org
… values for a visual image quality metric, which incorporates … image quality [as measured
by the visual Strehl ratio (VSX)] … The particular metric that will be presented is VSX, which has …

Clinical Applications and Advancements in the Understanding of Visual Image Quality Metrics

GD Hastings - 2019 - search.proquest.com
… We sought to examine whether using the visual image quality metric VSX to optimize
objective refraction from a wavefront error measurement could provide visual performance …

[HTML][HTML] Combining optical and neural components in physiological visual image quality metrics as functions of luminance and age

GD Hastings, JD Marsack, LN Thibos… - Journal of …, 2020 - arvojournals.org
… Although VSX (like other visual image quality metrics) incorporated a single neural contrast
sensitivity measurement drawn by eye through method-of-adjustment data from one 27-year-…

Clinical applications of personalising the neural components of visual image quality metrics for individual eyes

GD Hastings, RA Applegate, AW Schill… - Ophthalmic and …, 2022 - Wiley Online Library
… Instead, we founded this investigation upon literature that has shown visual image quality
metrics (and particularly VSX) are able to identify ophthalmic corrections that agree well with …

[HTML][HTML] Image quality metric derived refractions predicted to improve visual acuity beyond habitual refraction for patients with Down syndrome

A Ravikumar, JS Benoit, JD Marsack… - … Vision Science & …, 2019 - jov.arvojournals.org
image quality metrics do not have a neural component in their calculation. Although the visual
quality metric VSX … optimized refraction, the image quality metrics also have been shown …

Utilising a visual image quality metric to optimise spectacle prescriptions for eyes with keratoconus

ELS Bell, GD Hastings, LC Nguyen… - Ophthalmic and …, 2023 - Wiley Online Library
… Wavefront aberration data were used to objectively identify a sphero-cylindrical refraction
that optimised the visual image quality metric visual Strehl ratio (VSX). The two refractions …

Predicting subjective judgment of best focus with objective image quality metrics

X Cheng, A Bradley, LN Thibos - Journal of Vision, 2004 - jov.arvojournals.org
… different metrics of image quality to determine which metric best predicts performance for
degraded retinal images. The defocus and astigmatism levels that optimized each metric were …

[HTML][HTML] Visual image quality after small-incision lenticule extraction compared with that of spectacles and contact lenses

A Gyldenkerne, A Ivarsen, I Nisted… - Journal of Cataract & …, 2021 - journals.lww.com
… The logarithm of one of these visual image quality metrics … myopia on the visual image quality
assessed by VSX and put this into … the influence of SMILE on VSX for eyes with a spherical …

Assessing the visual image quality provided by refractive corrections during keratoconus progression

JJ Rozema, GD Hastings… - Ophthalmic and …, 2022 - Wiley Online Library
… in visual image quality metrics to predict the change in visual acuity. These metrics have been
… foci if the associated VSX values reach a threshold of 2/3·max(VSX) and are separated (in …

Comparing visual image quality with objectively and subjectively derived spectacle corrections in subjects with keratoconus

JD Marsack, L Anderson, A Ravikumar… - … & Visual Science, 2014 - iovs.arvojournals.org
image quality in the presence of uncorrected HOA in KC and to compare resultant visual
image quality … value of the visual image quality metric visual Strehl ratio (VSX). Habitual sphero-…